Blockchain.com Group Holdings, a UK-based cryptocurrency wallet and trading service provider, has filed for an initial public offering (IPO) in the United States. The company has not yet disclosed the number of shares to be offered or the price range, as the filing is still under review by the U.S. Securities and Exchange Commission (SEC). Founded in 2011, Blockchain.com reports having created over 95 million wallets and processed more than $1.1 trillion in transactions on its platform.